.

The following table presents our consolidated revenues by revenue source (in millions):

.

.

Three Months Ended Twelve Months Ended

.

December 31, December 31,

.

2011 2012 2011 2012

.

(unaudited) (unaudited)

.

Advertising revenues:

.

Google websites $7,294 $8,640 $26,145 $31,221

.

Google Network Members' websites 2,880 3,436 10,386 12,465

.

Total advertising revenues 10,174 12,076 36,531 43,686

.

Other revenues 410 829 1,374 2,353

.

Total Google revenues (advertising and other) 10,584 12,905 37,905 46,039

.

Total Motorola Mobile revenues (hardware and other) - 1,514 - 4,136

.

Consolidated revenues $10,584 $14,419 $37,905 $50,175

.

.

.

.

The following table presents our Google revenues, by revenue source, as a percentage of Google revenues:

.

.

Three Months Ended Twelve Months Ended

.

December 31, December 31,

.

2011 2012 2011 2012

.

(unaudited) (unaudited)

.

Advertising revenues:

.

Google websites 69% 67% 69% 68%

.

Google Network Members' websites 27% 27% 27% 27%

.

Total advertising revenues 96% 94% 96% 95%

.

Other revenues 4% 6% 4% 5%

.

Google revenues 100% 100% 100% 100%

.