Even though the economy was brutal in 2009, Nissan did ok and the Rogue in particular did very well, as described in Nissan's press releases outlining the 2009 sales year.
"For calendar year 2009, Rogue set a record of 77,222 sales, a 7.2 percent increase over 2008, and sales of Maxima and Z saw increases of 13.3 percent and 26.9 percent, respectively, compared with calendar year 2008 sales"
This is significant, because "For calendar year 2009, combined Nissan and Infiniti sales totaled 770,103 vehicles, compared with 951,350 vehicles sold in 2008, a 19.1 percent decline"
Even though sales declined overall, the Rogue sales actually increased significantly, which confirms that this is a very popular vehicle.
http://nissannews.com/newsrelease.do?id=1009&mid=1