According to the Grupo Gay da Bahia, Brazils oldest gay rights NGO, the rate of murders of homosexuals in LGBT rights in Brazil is particularly high, with a reported 3,196 cases over the 30-year period of 1980 to 2009 (or about 0.7 cases per 100,000 population per annum). Brazilian gay group Grupo Gay da Bahia (GGB) reported 190 documented alleged homophobic murders in Brazil in 2008, accounting for about 0.5% of intentional homicides in Brazil (List of countries by intentional homicide rate 22 per 100,000 population as of 2008). 64% of the victims were gay men, 32% were trans women or transvestites, and 4% were lesbians. By comparison, the FBI reported five homophobic murders in the History of violence against LGBT people in the United States during 2008, corresponding to 0.03% of intentional homicides (homicide rate 5.4 per 100,000 population as of 2008).
Question: Over how many years did the Grupo Gay da Bahia state that there were 3196 cases of murders of homosexuals?
Answer: 29