competition we compete in the global payment marketplace against all forms of payment , including paper- based forms ( principally cash and checks ) , card-based payments ( including credit , charge , debit , atm , prepaid , private-label and other types of general-purpose and limited-use cards ) and other electronic payments ( including wire transfers , electronic benefits transfers , automatic clearing house , or ach , payments and electronic data interchange ) .within the general purpose payment card industry , we face substantial and intense competition worldwide in the provision of payments services to financial institution customers and their cardholder merchants .the leading global card brands in the general purpose payment card industry are visa , mastercard , american express and diners club .other general-purpose card brands are more concentrated in specific geographic regions , such as jcb in japan and discover in the united states .in certain countries , our competitors have leading positions , such as china unionpay in china , which is the sole domestic inter-bank bankcard processor and operates the sole domestic bankcard acceptance mark in china due to local regulation .we also compete against private-label cards , which can generally be used to make purchases solely at the sponsoring retail store , gasoline retailer or other merchant .in the debit card market segment , visa and mastercard are the primary global brands .in addition , our interlink and visa electron brands compete with maestro , owned by mastercard , and various regional and country-specific debit network brands .in addition to our plus brand , the primary cash access card brands are cirrus , owned by mastercard , and many of the online debit network brands referenced above .in many countries , local debit brands are the primary brands , and our brands are used primarily to enable cross-border transactions , which typically constitute a small portion of overall transaction volume .see item 8 2014financial statements and supplementary data for financial information about geographic areas .based on payments volume , total volume , number of transactions and number of cards in circulation , visa is the largest retail electronic payments network in the world .the following chart compares our network with those of our major general-purpose payment network competitors for calendar year 2008 : company payments volume volume transactions cards ( billions ) ( billions ) ( billions ) ( millions ) visa inc. ( 1 ) .......................................$ 2727 $ 4346 56.7 1717 .
[['company', 'payments volume ( billions )', 'total volume ( billions )', 'total transactions ( billions )', 'cards ( millions )'], ['visa inc. ( 1 )', '$ 2727', '$ 4346', '56.7', '1717'], ['mastercard', '1900', '2533', '29.9', '981'], ['american express', '673', '683', '5.3', '92'], ['discover', '106', '120', '1.6', '57'], ['jcb', '63', '68', '0.7', '60'], ['diners club', '30', '31', '0.2', '7']]
( 1 ) visa inc .figures as reported on form 8-k filed with the sec on april 29 , 2009 .source : the nilson report , issue 924 ( april 2009 ) and issue 925 ( may 2009 ) .note : visa inc .figures exclude visa europe .figures for competitors include their respective european operations .visa figures include visa , visa electron , and interlink brands .the visa card figure includes plus-only cards ( with no visa logo ) in all regions except the united states , but plus cash volume is not included .domestic china figures including commercial funds transfers are excluded .mastercard includes pin-based debit card figures on mastercard cards , but not maestro or cirrus figures .american express includes business from third-party issuers .jcb figures are for april 2007 through march 2008 , but cards are as of september 2008 .transaction figures are estimates .figures include business from third-party issuers. .

Question: what is the average payment volume per transaction of visa inc?
Answer: 48.1