CSM Trend in the Sudan for a period of 10 years

Year	Attack rate/ 100,000	Province	Attack rate/100,000
1958 – 59	4	Khartoum	248
1959 – 60	59	Bahr El Ghazal	45
1960 – 61	43	Blue Nile	32
1961 – 62	13	Kurdufan	21
1963 – 64	23	Equatoria	17
1964 – 65	16	Upper Nile	9
1965 – 66	100	Northern	8
1966 – 67	21	Kassala	7
1967 – 68	22	____________	____________