Table 1.

Number of Border Collies with neuronal ceroid lipofuscinosis and the number of litters that included affected dogs during the 12 years between 2000 and 2011 in Japan.

Year of birth	Number of affected dogs (male and female)	Number of litters
2000	2 (2, 0)	1
2001	6 (3, 3)	3
2002	0 (0, 0)	0
2003	4 (3, 1)	3
2004	4 (1, 3)	2
2005	2 (1, 1)	2
2006	1 (0, 1)	1
2007	2 (1, 1)	2
2008	5 (2, 3)	4
2009	1 (0, 1)	1
2010–present∗	0 (0, 0)	0
Total	27 (13, 14)	19

*June 2012.