Complex sentence: The number of countries in recession was 37 in Q22009,13 in Q32009,11 in Q42009, and only 7 in Q12010 (Greece, Croatia, Romania, Iceland, Jamaica, Venezuela and Belize).
Split into simpler sentences: The number of countries in recession was 37 in Q22009,13 in Q32009 and 11 in Q42009. One year after the maximum, in Q12010, only seven countries were in recession (Greece, Croatia, Romania, Iceland, Jamaica, Venezuela and Belize).