Data released by Gartner indicates that in the past 12 months, Apple Mac sales have grown 31 percent from 744,000 to 975,000 units. The gain places Apple fourth in US shipments with 6.1 percent market share, just behind Gateway’s 6.4 percent US market tally.

Despite falling 7.1 percent, Dell continues to lead the US market with a 32.1 percent share. While HP has experienced a lot of drama lately, it has managed to build its US share to 23 percent and took the lead for worldwide sales with 16.3 percent.

Apple’s share of U.S. PC market jumps to 6.1 percent [Apple Insider]