| Period | Area | Sample Size | Outline Link | |
|---|---|---|---|---|
| 29 Jan - 28 Feb | 31 days | Ehime | 100 people | - |
| Period | Area | Sample Size | Outline Link | |
|---|---|---|---|---|
| 1 Nov - 6 Feb | 70 days | Hiroshima | 20 people | - |
| 25 Jan - 28 Feb | 35 days | Ehime | 311 people | - |
| Period | Area | Sample Size | Outline Link | |
|---|---|---|---|---|
| 13 Jun , 19 Jun 6 Nov , 7 Nov | 4 days | Ehime | 313 people | - |
| 3 Oct - 30 Nov | 58 days | Tokushima | 192 people | 1 |
| 11 Jan - 28 Feb | 48 days | 61 people | ||
| 3 Oct - 30 Nov | 58 days | Kochi | 151 people | 1 |
| 2 | ||||
| 6 Dec - 10 Dec | 5 days | Ehime | 31 people | - |
| 24 Jan - 24 Feb | 31 days | Shimane | 15 people | - |
| 1 Feb - 28 Feb | 28 days | Ehime | 384 people | - |
| 7 Feb - 20 Feb | 14 days | Osaka,Hyogo | 58 people | - |
| Period | Area | Sample Size | Outline Link | |
|---|---|---|---|---|
| 24 Jun - 8 Jul | 14 days | Ehime | 10 people | - |
| 4 Jul - 24 Jul | 57 days | Ibaraki | 74 people | 1 |
| 24 Aug - 30 Sep | ||||
| 11 Jul - 31 Jul | 21 days | Ehime | 37 people | - |
| 31 Jul , 16 Aug | 2 days | 11 people | ||
| 24 Oct - 6 Nov | 28 days | Ehime | 10 people | - |
| 28 Nov - 11 Dec | ||||
| 21 Nov - 16 Dec | 26 days | Hyogo | 58 people | - |
| 22 Nov - 15 Jan | 55 days | Tokyo | 50 people | - |
| 12 Dec - 24 Dec | 13 days | Tokyo,Kanagawa | 15 people | - |
| 16 Jan - 22 Jan | 7 days | Osaka,Hyogo | 92 people | - |
| 23 Jan - 28 Feb | 37 days | Nara | 93 people | 1 |
| 10 Mar - 26 Mar | 17 days | 195 people | ||
| Period | Area | Sample Size | Outline Link | |
|---|---|---|---|---|
| 1 Oct - 28 Nov | 2 months | Okinawa | 284 groups | 1 |
| 2 | ||||
| 8 Nov - 21 Nov | 28 days | Ehime | 63 people | 1 |
| 29 Nov - 12 Dec | 2 | |||
| 13 Nov - 12 Dec | 30 days | Nara | 108 people | - |
| 7 Mar - 27 Mar | 21 days | Nara | 207 people | 1 |
| Period | Area | Sample Size | Outline Link | |
|---|---|---|---|---|
| 4 Jun - 30 Sep | 118 days | Tokyo | 300 people | 1 |