Requests for charter flight price quotes, a bellwether of business aviation activity, have been growing in China by more than 20 percent annually over the past three years, according to data released this week at ABACE 2014 by Avinode. Quote requests for flights to and from China, Hong Kong and Taiwan grew from 9,701 in 2011 to 11,684 in 2012 (up around 20.5 percent), and to 14,369 last year (up around 23 percent).