b. Products and service revenues from external customer information  c. Geographic information  d. Major customers  F-59 For the years ended December 31, 2008, 2009 and 2010, the Company did not have any single customer  whose net revenue exceeded 10% of the total net revenues.  The users of the Company’s services are mainly from Taiwan, ROC. The revenues it derived outside  Taiwan are mainly revenues from international long distance telephone and leased line services. The  geographic information for revenues is as follows:  Year Ended December 31 2008 2009 2010 NT$ NT$ NT$ (In Millions) Mobile services revenue $  72,290  $  71,295  $  72,955  Local telephone services revenue 35,188  34,116  33,243  Leased line services revenue 27,644  27,477  27,412  Internet services revenue 21,770  21,511  22,016  Sales revenue 16,340  15,058  15,989  International long distance telephone services revenue 14,051  12,922  12,863  Domestic long distance telephone services revenue 8,480  7,407  6,650  Others 5,907  8,575  11,302  $  201,670  $  198,361  $  202,430  Year Ended December 31 2008 2009 2010 NT$ NT$ NT$ (In Millions) Taiwan, ROC $  196,334  $  193,003  $  196,830  Overseas 5,336  5,358  5,600  $  201,670  $  198,361  $  202,430  The Company has long-lived assets in U.S., Singapore, Hong Kong, China, Vietnam, Thailand, and Japan  and except for NT$175 million and NT$219 million at December 31, 2009 and 2010, respectively, in the  aforementioned areas, the other long-lived assets are located in Taiwan, ROC. 