Valve's published its latest Steam usage stats, showing that only 5.07 percent of the download service's users are playing with Macs.
MacOS 10.6.3 64-bit accounted for 4.3 percent of total Steam use, with MacOS 10.5.8 64-bit adding the extra 0.77 percent.
Of those using Steam on Macs, a whopping 47 percent owned MacBook Pros. Nearly 54 percent of all Mac users packed 4Gb of RAM.
The Mac version of Steam launched in May, with Portal given away for free.
Windows XP 32-bit is still the most popular Steam OS at 32.73 percent of total use.
Second is Windows 7 64-bit at 28.24 percent, followed by Windows Vista 32-bit at 13.71 percent.
You can look at the entire stat page here.