International rankings of Iran

Columns: Name | Rank | Out of | Source | Notes | Year
Vehicles per capita | 56 | 144 | List of countries by vehicles per capita | 175 automobiles per 1000 people in addition to 110 motorbikes per 1000 people ; More info : Automotive industry in Iran & List of international vehicle registration codes | 2010 | Waterways length | 70 | 109 | CIA World Factbook | 850 km of waterways | 2008 | Air transport , freight | 59 | 176 | World Bank | 98.22 million tonnes-km/Year airlifted | 2005 | Air transport , passengers carried | 26 | 177 | World Bank | 12,708,350 Air passengers/Year ; More info : Countries with the most fatal civil airliner accidents | 2005 | Number of airports | 26 | 251 | CIA World Factbook | 331 Operational airports | 2007 | Number of heliports | 14 | World | CIA World Factbook | 19 Operational heliports | 2010 | Rail usage by Annual Passenger-Km Per Capita | 26 | 32 | International Union of Railways | Ranked among countries with more than 5 billion passenger-km/year ; Iran : 180 passenger-km Per Capita/Year | 2006

Example questions:
What 's the source acronym for the international ranking that can be measured in pkm ? | What is Iran 's international ranking for the source that excludes motorcycles ? | What 's the French name of the source for the international ranking regarding an Iranian company that 's an associate of the IR ? | When did the first structure open regarding the international ranking with a source indicating an Iranian structure of 229 kilometers ?

Answers:
UIC | 56 | Union internationale des chemins de fer | 1863