Author [reference] | Country | Number/100,000 era 1 | Number/100,000 era 2 |
---|---|---|---|
El Serag, 1999 [95] | USA | 1976–80: 1.4 | 1991–95: 2.4 |
El Serag, 2000 [96] | USA | 1993–95: 2.3 | 1996–98: 7.0 |
Benhamiche, 1998 [97] (men) | France | 1976–79: 7.5 | 1992–95: 10.2 |
Stroffolini, 1998 [89] | Italy | 1969: 4.8 | 1994: 10.9 |
Law, 2000 [98] (men) | Australia | 1983–85: 2.1 | 1995–96: 4.0 |
Nishioka, 1991 [79] | Japan | 1968–77: 9.5 | 1984–85: 16.0 |
Yoshizawa, 2002 [99] | Japan | 1980: ca 10 | 2000: ca 40 |