8th-Graders

10th-Graders

12th-Graders

1998

1999

2000

1998

1999

2000

1998

1999

2000

Any Illicit Drug Use

lifetime
annual
30-day

29.0
21.0
12.1

28.3
20.5
12.2

26.8
19.5
11.9

44.9
35.0
21.5

46.2
35.9
22.1

45.6
36.4
22.5

54.1
41.4
25.6

54.7
42.1
25.9

54.0
40.9
24.9

Marijuana/Hashish

lifetime
annual
30-day
daily

22.2
16.9
9.7
1.1

22.0
16.5
9.7
1.4

20.3
15.6
9.1
1.3

39.6
31.1
18.7
3.6

40.9
32.1
19.4
3.8

40.3
32.2
19.7
3.8

49.1
37.5
22.8
5.6

49.7
37.8
23.1
6.0

48.8
36.5
21.6
6.0

Inhalants

lifetime
annual
30-day

20.5
11.1
4.8

19.7
10.3
5.0

17.9
9.4
4.5

18.3
8.0
2.9

17.0
7.2
2.6

16.6
7.3
2.6

15.2
6.2
2.3

15.4
5.6
2.0

14.2
5.9
2.2

Hallucinogens **

lifetime
annual
30-day

4.9
3.4
1.4

4.8
2.9
1.3

4.6
2.8
1.2

9.8
6.9
3.2

9.7
6.9
2.9

8.9
6.1
2.3

14.1
9.0
3.8

13.7
9.4
3.5

13.0
8.1
2.6

LSD

lifetime
annual
30-day

4.1
2.8
1.1

4.1
2.4
1.1

3.9
2.4
1.0

8.5
5.9
2.7

8.5
6.0
2.3

7.6
5.1
1.6

12.6
7.6
3.2

12.2
8.1
2.7

11.1
6.6
1.6

Cocaine

lifetime
annual
30-day

4.6
3.1
1.4

4.7
2.7
1.3

4.5
2.6
1.2

7.2
4.7
2.1

7.7
4.9
1.8

6.9
4.4
1.8

9.3
5.7
2.4

9.8
6.2
2.6

8.6
5.0
2.1

Crack Cocaine

lifetime
annual
30-day

3.2
2.1
0.9

3.1
1.8
0.8

3.1
1.8
0.8

3.9
2.5
1.1

4.0
2.4
0.8

3.7
2.2
0.9

4.4
2.5
1.0

4.6
2.7
1.1

3.9
2.2
1.0

Heroin

lifetime
annual
30-day

2.3
1.3
0.6

2.3
1.4
0.6

1.9
1.1
0.5

2.3
1.4
0.7

2.3
1.4
0.7

2.2
1.4
0.5

2.0
1.0
0.5

2.0
1.1
0.5

2.4
1.5
0.7

Tranquilizers ***

lifetime
annual
30-day

4.6
2.6
1.2

4.4
2.5
1.1

4.4
2.6
1.4

7.8
5.1
2.2

7.9
5.4
2.2

8.0
5.6
2.5

8.5
5.5
2.4

9.3
5.8
2.5

8.9
5.7
2.6

Alcohol

lifetime
annual
30-day
daily

52.5
43.7
23.0
0.9

52.1
43.5
24.0
1.0

51.7
43.1
22.4
0.8

69.8
62.7
38.8
1.9

70.6
63.7
40.0
1.9

71.4
65.3
41.0
1.8

81.4
74.3
52.0
3.9

80.0
73.8
51.0
3.4

80.3
73.2
50.0
2.9

Cigarettes (any use)

lifetime
30-day
1/2 pack+/day

45.7
19.1
3.6

44.1
17.5
3.3

40.5
14.6
2.8

57.7
27.6
7.9

57.6
25.7
7.6

55.1
23.9
6.2

65.3
35.1
12.6

64.6
34.6
13.2

62.5
31.4
11.3

Smokeless Tobacco

lifetime
30-day
daily

15.0
4.8
1.0

14.4
4.5
0.9

12.8
4.2
0.9

22.7
7.5
2.2

20.4
6.5
1.5

19.1
6.1
1.9

26.2
8.8
3.2

23.4
8.4
2.9

23.1
7.6
3.2

Steroids

lifetime
annual
30-day

2.3
1.2
0.5

2.7
1.7
0.7

3.0
1.7
0.8

2.0
1.2
0.6

2.7
1.7
0.9

3.5
2.2
1.0

2.7
1.7
1.1

2.9
1.8
0.9

2.5
1.7
0.8

MDMA

lifetime
annual
30-day

2.7
1.8
0.9

2.7
1.7
0.8

4.3
3.1
1.4

5.1
3.3
1.3

6.0
4.4
1.8

7.3
5.4
2.6

5.8
3.6
1.5

8.0
5.6
2.5

11.0
8.2
3.6

8th-Graders

10th-Graders

12th-Graders

1995

1996

1997

1995

1996

1997

1995

1996

1997

Any Illicit Drug Use

lifetime
annual
30-day

28.5
21.4
12.4

31.2
23.6
14.6

29.4
22.1
12.9

40.9
33.3
20.2

45.4
37.5
23.2

47.3
38.5
23.0

48.4
39.0
23.8

50.8
40.2
24.6

54.3
42.4
26.2

Marijuana/Hashish

lifetime
annual
30-day
daily

19.9
15.8
9.1
0.8

23.1
18.3
11.3
1.5

22.6
17.7
10.2
1.1

34.1
28.7
17.2
2.8

39.8
33.6
20.4
3.5

42.3
34.8
20.5
3.7

41.7
34.7
21.2
4.6

44.9
35.8
21.9
4.9

49.6
38.5
23.7
5.8

Inhalants

lifetime
annual
30-day

21.6
12.8
6.1

21.2
12.2
5.8

21.0
11.8
5.6

19.0
9.6
3.5

19.3
9.5
3.3

18.3
8.7
3.0

17.4
8.0
3.2

16.6
7.6
2.5

16.1
6.7
2.5

Hallucinogens

lifetime
annual
30-day

5.2
3.6
1.7

5.9
4.1
1.9

5.4
3.7
1.8

9.3
7.2
3.3

10.5
7.8
2.8

10.5
7.6
3.3

12.7
9.3
4.4

14.0
10.1
3.5

15.1
9.8
3.9

LSD

lifetime
annual
30-day

4.4
3.2
1.4

5.1
3.5
1.5

4.7
3.2
1.5

8.4
6.5
3.0

9.4
6.9
2.4

9.5
6.7
2.8

11.7
8.4
4.0

12.6
8.8
2.5

13.6
8.4
3.1

Cocaine

lifetime
annual
30-day

4.2
2.6
1.2

4.5
3.0
1.3

4.4
2.8
1.1

5.0
3.5
1.7

6.5
4.2
1.7

7.1
4.7
2.0

6.0
4.0
1.8

7.1
4.9
2.0

8.7
5.5
2.3

Crack Cocaine

lifetime
annual
30-day

2.7
1.6
0.7

2.9
1.8
0.8

2.7
1.7
0.7

2.8
1.8
0.9

3.3
2.1
0.8

3.6
2.2
0.9

3.0
2.1
1.0

3.3
2.1
1.0

3.9
2.4
0.9

Heroin

lifetime
annual
30-day

2.3
1.4
0.6

2.4
1.6
0.7

2.1
1.3
0.6

1.7
1.1
0.6

2.1
1.2
0.5

2.1
1.4
0.6

1.6
1.1
0.6

1.8
1.0
0.5

2.1
1.2
0.5

Tranquilizers

lifetime
annual
30-day

4.5
2.7
1.2

5.3
3.3
1.5

4.8
2.9
1.2

6.0
4.0
1.7

7.1
4.6
1.7

7.3
4.9
2.2

7.1
4.4
1.8

7.2
4.6
2.0

7.8
4.7
1.8

Alcohol

lifetime
annual
30-day
daily

54.5
45.3
24.6
0.7

55.3
46.5
26.2
1.0

53.8
45.5
24.5
0.8

70.5
63.5
38.8
1.7

71.8
65.0
40.4
1.6

72.0
65.2
40.1
1.7

80.7
73.7
51.3
3.5

79.2
72.5
50.8
3.7

81.7
74.8
52.7
3.9

Cigarettes (any use)

lifetime
30-day
1/2 pack+/day

46.4
19.1
3.4

49.2
21.0
4.3

47.3
19.4
3.5

57.6
27.9
8.3

61.2
30.4
9.4

60.2
29.8
8.6

64.2
33.5
12.4

63.5
34.0
13.0

65.4
36.5
14.3

Smokeless Tobacco

lifetime
30-day
daily

20.0
7.1
1.2

20.4
7.1
1.5

16.8
5.5
1.0

27.6
9.7
2.7

27.4
8.6
2.2

26.3
8.9
2.2

30.9
12.2
3.6

29.8
9.8
3.3

25.3
9.7
4.4

Steroids

lifetime
annual
30-day

2.0
1.0
0.6

1.8
0.9
0.4

1.8
1.0
0.5

2.0
1.2
0.6

1.8
1.2
0.5

2.0
1.2
0.7

2.3
1.5
0.7

1.9
1.4
0.7

2.4
1.4
1.0

MDMA

lifetime
annual
30-day

-
-
-

3.4
2.3
1.0

3.2
2.3
1.0

-
-
-

5.6
4.6
1.8

5.7
3.9
1.3

-
-
-

6.1
4.6
2.0

6.9
4.0
1.6