... not significant. Sweden 11 6 19 84 -1 9 89 Meta-analysis Andersson, et al., 19 94. Data from meta-analysis of six studies. Canada 75 19 9 1- 1998 Provincial (Ontario) Al-Omran, et al., 2003 ... et al., 2 010 . Norway 14 0 19 77 -1 9 78 National Soreide, 19 84 Decline attributed to better quality of data. 84 19 89 -1 9 93 Provincial (Rogaland) Korner, et al., 19 97. 11 7 19 9 0-2 0 01 National ... et al., 20 01 Ghana 18 200 0-2 005 Provincial (Ashanti) Ohene-Yeboah & Abantang a, 2009 Rising incidence was claimed Madagascar 77 Hospital Langenscheidt, et al., 19 99. Negative...