Table 1 Number of types of drugs by generic name of drug and year in the data

Estazolam

〇

〇

9

9

9

10

Flurazepam

〇

〇

1

1

1

1

Nitrazepam

〇

〇

16

14

14

14

Nimetazepam

〇

〇

1

0

0

0

Triazolam

〇

〇

19

17

17

17

Flunitrazepam

〇

〇

21

22

22

24

Brotizolam

〇

〇

40

43

45

41

Lormetazepam

〇

〇

5

5

4

3

Oxazolam

〇

〇

2

2

2

2

Cloxazolam

〇

〇

6

6

6

6

Diazepam

〇

〇

25

24

24

23

Fludiazepam

〇

〇

2

2

2

2

Bromazepam

〇

〇

13

13

13

13

Medazepam

〇

〇

2

1

1

0

Lorazepam

〇

〇

12

12

12

12

Alprazolam

〇

〇

18

15

15

15

Flutazolam

〇

〇

1

0

0

0

Tofisopam

〇

〇

6

9

8

7

Flutoprazepam

〇

〇

1

0

0

0

Ethyl loflazepate

〇

〇

8

9

9

9

Quazepam

〇

〇

4

3

3

2

Triclofos sodium

〇

3

3

3

3

Rilmazafone

〇

〇

10

10

10

10

Zopiclone

〇

〇

〇

17

17

15

15

Tandospirone citrate

〇

5

3

3

4

Zolpidem

〇

〇

〇

39

46

49

54

Eszopiclone

〇

〇

〇

7

7

7

8

Hydroxyzine hydrochloride

〇

2

2

2

2

Clotiazepam

〇

〇

10

10

10

10

Hydroxyzine pamoate

〇

3

3

3

3

Etizolam

〇

〇

38

37

37

39

Ramelteon

〇

3

3

3

3

Suvorexant

〇

6

6

9

9

Gamma Oryzanol

〇

32

29

30

26