Advertising spending rose 6.3% in 2004, according to Nielsen Monitor-Plus. The Summer Olympics, which attracted more than $1.8 bln in media spending, contributed to much of the increase. Syndicated television advertising rose 13.7%. Automotive advertising experienced the largest dollar increase, ending the year with $17.8 bln, for a net increase of $683 mln (4% gain over 2003). Prescription drug (approximately $5 bln in total ad spending) and credit card services ($2.2 bln in total) categories followed in terms of increases over last year. Overall, these three categories contributed to an overall increase of $2 bln compared to the same period last year, Nielsen said.