List of key numbers in Tour de France

Following is a list of the key numbers in the 3,360km Tour de France 2015, which begins here on Saturday:

3 - number of countries visited (Netherlands, Belgium, France)

4 - number of jerseys up for grabs

7 - number of ambulances

10 - number of doctors

21 - number of stages

22 - number of teams taking part

100 - number of television channels showing the race

190 - number of countries televising the event

198 - number of riders taking part

1.3 million - number of Twitter followers

1.7 million - number of Facebook fans

2,000 - number of accredited journalists

3,360 - number of kilometers raced

4,500 - number of people involved including athletes, coaches, media and organizers

6,100 - total number of hours of worldwide television coverage

13,000 - number of police involved in assuring safety and security

32 million - number of unique internet visitors

146 million - number of internet pages viewed

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