April 23 (Reuters) - Factbox on Wimbledon prize money since 1968 after it was announced on Tuesday that each singles winner will receive 1.6 million pounds ($2.44 million)from a total prize fund of 22.6 million pounds at the 2013 event, up 6.5 million pounds on last year: Men's Singles Womens' Singles Pounds Pounds 1968 2,000 750 1969 3,000 1,500 1970 3,000 1,5