On Monday, Bloomberg released Interbrand’s Best Global Brands of 2011 report. The rankings are based on five criteria and exclude privately held brands. Apple jumped nine spots in 2011, becoming the eighth most valuable brand in the world. The Cupertino-based company’s year-over-year brand value increased 58%, with an estimated total value of $33.49 billion. Out of all the brands listed, Apple saw the greatest growth and second biggest jump in the rankings. Amazon too saw tremendous growth, leaping 10 spots to come in at No.26 on the list, with a year-over-year value increase of 32%. Microsoft and Google finished in third and fourth respectively, with Microsoft falling 3% and Google increasing 27% compared to 2010. Samsung’s brand jumped two spots for 17th overall with a 20% increase and an estimated brand value of $23.43 billion. Apple’s first appearance in the top-20 global brands was in 2009, when it had an estimated brand value of $15.4 billion.