Table:
text: International rankings of Uruguay
Other
Other
Index_Year Author_Editor_Source Year_of_publication Countries_sampled World_Ranking_1 Ranking_L_A_2
Global Peace (2009) The Economist 2008 140 21st 2nd
Corruption Perception (2008) (6) Transparency International 2008 180 23rd 1st
Democracy (2006) The Economist 2007 167 23rd 2nd
Prosperity Index (2008) Legatum Institute 2008 104 36th 3rd
Press Freedom (2007) Reporters Without Borders 2007 169 37th 2nd
Economic Freedom (2008) The Wall Street Journal 2008 157 38th 3rd
Human Development (2005) United Nations (UNDP) 2007–08 177 46th 3rd
Quality-of-life (2005) The Economist 2007 111 46th 6th
Travel and Tourism Competitiveness (2008) World Economic Forum 2008 130 63rd 7th
Global Competitiveness (2009–2010) World Economic Forum 2009–10 131 65th 6th

Question: How many items were below rank la(2) when the world ranking was 21st among Uruguay's other international rankings?

Question: How many years were listed under the index when 157 countries were surveyed for Uruguay's Others international ranking?

Question: What was the year of publication of the International Ranking of Uruguay when la took 1st place among others?

Question: How many years were recorded when the world rankings ranked 21st among the international rankings of Uruguay among others?