From: A descriptive study of the prevalence of atypical and classical scrapie in sheep in 20 European countries
0.5
0.7
0.8
0.9
1
1933 (Estonia)
0.53
0.41
0.36
0.32
0.30
4092 (Lithuania)
0.26
0.15
0.12
0.09
0.07