| Rank | Prefectures | Nakau | Standard Score | |
|---|---|---|---|---|
| Amount | per 100000 Population | |||
| Sort | Desc Asc | Desc Asc | Desc Asc | Desc Asc |
| 1 | Kyoto | 33軒 | 1.27 | 87.90 |
| 2 | Osaka | 83軒 | 0.94 | 75.50 |
| 3 | Fukui | 6軒 | 0.77 | 69.05 |
| 4 | Tokyo | 84軒 | 0.61 | 63.09 |
| 5 | Gifu | 11軒 | 0.55 | 60.68 |
| 6 | Nara | 7軒 | 0.52 | 59.59 |
| 7 | Mie | 9軒 | 0.50 | 58.87 |
| 8 | Shiga | 7軒 | 0.50 | 58.68 |
| 9 | Toyama | 5軒 | 0.47 | 57.85 |
| 10 | Aichi | 33軒 | 0.44 | 56.57 |
| 11 | Hyogo | 23軒 | 0.42 | 55.78 |
| 12 | Hokkaido | 21軒 | 0.40 | 54.91 |
| 13 | Ehime | 5軒 | 0.37 | 53.86 |
| 14 | Tottori | 2軒 | 0.35 | 53.37 |
| 15 | Ishikawa | 4軒 | 0.35 | 53.18 |
| 16 | Kanagawa | 30軒 | 0.33 | 52.39 |
| 17 | Hiroshima | 9軒 | 0.32 | 52.01 |
| 18 | Okayama | 6軒 | 0.32 | 51.90 |
| 19 | Chiba | 18軒 | 0.29 | 50.88 |
| 20 | Saitama | 21軒 | 0.29 | 50.84 |
| 21 | Ibaraki | 8軒 | 0.28 | 50.46 |
| 22 | Miyagi | 6軒 | 0.26 | 49.75 |
| 23 | Shizuoka | 9軒 | 0.25 | 49.26 |
| 24 | Yamanashi | 2軒 | 0.24 | 49.18 |
| 25 | Akita | 2軒 | 0.20 | 47.60 |
| 26 | Yamagata | 2軒 | 0.18 | 46.84 |
| 27 | Aomori | 2軒 | 0.16 | 45.90 |
| 28 | Tochigi | 3軒 | 0.15 | 45.79 |
| 28 | Gunma | 3軒 | 0.15 | 45.79 |
| 30 | Kochi | 1軒 | 0.14 | 45.30 |
| 31 | Fukushima | 2軒 | 0.11 | 44.02 |
| 32 | Kagawa | 1軒 | 0.10 | 43.90 |
| 33 | Niigata | 2軒 | 0.09 | 43.34 |
| 34 | Iwate | 1軒 | 0.08 | 43.04 |
| 35 | Yamaguchi | 1軒 | 0.07 | 42.73 |
| -- | Nagano | -- | -- | -- |
| -- | Wakayama | -- | -- | -- |
| -- | Shimane | -- | -- | -- |
| -- | Tokushima | -- | -- | -- |
| -- | Fukuoka | -- | -- | -- |
| -- | Saga | -- | -- | -- |
| -- | Nagasaki | -- | -- | -- |
| -- | Kumamoto | -- | -- | -- |
| -- | Oita | -- | -- | -- |
| -- | Miyazaki | -- | -- | -- |
| -- | Kagoshima | -- | -- | -- |
| -- | Okinawa | -- | -- | -- |
| Japan | 462軒 | 0.37 | ||