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Table 1 Hierarchical classification of the first-time illicit drug offenders in Taiwan, 2001–2017

From: The impact of Taiwan’s implementation of a nationwide harm reduction program in 2006 on the use of various illicit drugs: trend analysis of first-time offenders from 2001 to 2017

 

First-time offenders

Heroin

Methamphetamine

Ecstasy

Ketamine (CRPS)

Ketamine (APS)

Others

Year

N

R (/105)a

n

R (/105)a

n

R (/105)a

n

R (/105)a

n

R (/105)a

n

R (/105)a

n

2001

14,255

91.39

6928

50.00

5518

40.21

1191

8.93

0

0.00

618

2002

21,423

173.49

10,992

78.90

5963

43.24

3534

26.72

98

0.74

836

2003

16,963

137.26

9422

67.32

4493

32.34

2240

17.07

124

0.93

684

2004

18,974

153.62

9977

70.94

6369

45.72

1760

13.58

194

1.50

674

2005

18,347

146.64

8984

63.40

7410

53.31

1205

9.44

140

1.09

608

2006

13,884

108.45

6936

48.31

4722

33.74

1420

11.27

219

1.70

587

2007

13,974

109.38

5429

37.65

6475

46.72

1046

8.30

389

3.10

635

2008

11,034

86.34

3857

26.50

5022

36.42

1081

8.61

482

3.93

592

2009

12,176

97.25

3053

20.93

6188

45.61

1282

10.33

855

7.12

289

2.42

509

2010

16,538

137.15

2207

15.19

7926

58.77

970

7.88

945

8.03

3975

33.36

515

2011

15,976

135.39

1561

10.63

6689

49.50

1158

9.53

948

8.14

5208

43.90

412

2012

17,201

148.53

1175

8.00

5966

44.26

1254

10.38

1339

11.69

7253

61.54

214

2013

17,663

155.31

916

6.17

5251

38.98

1156

9.39

1191

10.36

8756

74.11

393

2014

13,185

112.34

748

5.01

5110

38.11

594

4.81

887

7.76

5610

48.08

236

2015

15,486

131.06

863

5.89

6976

52.73

703

5.91

1032

9.09

5600

48.36

312

2016

12,382

104.15

724

4.82

7204

54.82

492

4.17

547

4.86

2977

25.76

438

2017

11,623

96.69

800

4.42

7001

52.83

399

3.44

485

4.41

2416

21.32

522

  1. a Age-standardized first-time offense rate using the World Standard population (WHO 2000–2025) [26], truncated to the age range between 18 and 69 years, as the weighting for the population (18–24 years: 18.24%; 25–29 years: 12.49%; 30–39 years: 23.24%; 40–49 years: 19.89%; 50–59 years: 15.62%; and 60–69 years: 10.52%)