.

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

.

.

  Three Months Ended Six Months Ended

.

June 30, June 30,

.

  2013 2014 2013 2014

.

(unaudited)

.

Advertising revenues:

.

Websites $8,868 $10,935 $17,508 $21,404

.

Network Members' websites 3,193 3,424 6,455 6,821

.

Total advertising revenues 12,061 14,359 23,963 28,225

.

Other revenues 1,046 1,596 2,095 3,150

.

Total revenues $13,107 $15,955 $26,058 $31,375

.

.

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

.

.

Three Months Ended Six Months Ended

.

June 30, June 30,

.

2013 2014 2013 2014

.

(unaudited)

.

Advertising revenues:

.

Websites 68% 69% 67% 68%

.

Network Members' websites 24% 21% 25% 22%

.

Total advertising revenues 92% 90% 92% 90%

.

Other revenues 8% 10% 8% 10%

.

Total revenues 100% 100% 100% 100%