Keyworth whooping cough cases and England and Wales notified cases by year. Both are also expressed as cases per 100,000 population. The right hand column shows the ratio  of the two rates for each year.

The population of England and Wales has been assumed to be 50,000,000. The population of the Keyworth practice has been taken as 11,000, although in 1977 it was closer to 11,500, and today it is closer to 10,500

 

year Notified cases England and Wales & Wales Keyworth/100,000000 England & Wales/100,000,000 Keyworth cases Keyworth/England & Wales
1977 17475 1482 35.0 163 42
1978 65957 536 131.9 59 4
1979 30816 118 61.6 13 2
1980 21131 45 42.3 5 1
1981 19395 364 38.8 40 9
1982 62812 200 125.6 22 2
1983 19340 27 38.7 3 1
1984 5517 0 11.0 0 0
1985 22046 500 44.1 55 11
1986 36506 364 73.0 40 5
1987 15203 364 30.4 40 12
1988 5117 9 10.2 1 1
1989 11646 155 23.3 17 7
1990 15286 273 30.6 30 9
1991 5201 73 10.4 8 7
1992 2309 45 4.6 5 10
1993 4091 55 8.2 6 7
1994 3964 27 7.9 3 3
1995 1869 318 3.7 35 85
1996 2354 482 4.7 53 102
1997 2996 191 6.0 21 32
1998 1577 27 3.2 3 9
1999 1139 109 2.3 12 48
2000 712 36 1.4 4 26
2001 888 55 1.8 6 31
2002 883 400 1.8 44 227
2003 409 0 0.8 0 0
2004 504 27 1.0 3 27
2005 594 36 1.2 4 31