Northwest baby boomers continue to boost Douglas County’s economy as they come to tour wineries and hike to waterfalls, according to a report by the Roseburg Visitors and Convention Bureau. About 10,000 people stopped at the Roseburg Visitors Center on Spruce Street in 2012. The bureau’s website received 70,000 hits last year. The statistics are similar to 2011. Visitors and Convention Bureau Director Jean Kurtz said she is optimistic that the numbers will increase during 2013. “We’re starting to see an uptick. As we’ve had nice weather here in March, people have been emailing us, asking us things or just …