Question: How many countries in 2009 have fewer than 1 in 1999, more than 0 in 2006 and none in 1997?
SQL: SELECT COUNT("2009") FROM "2-15443723-1" WHERE "1999" < 1.0 AND "2006" > 0.0 AND "1997" < 0.0;

Question: How much is the highest number in 2006 with fewer than 0 in 2002?
SQL: SELECT MAX("2006") FROM "2-15443723-1" WHERE "2002" < 0.0;

Question: How many are there in 2003 that have 0 in 2001, more than 0 in 2009 and fewer than 0 in 1999?
SQL: SELECT SUM("2003") FROM "2-15443723-1" WHERE "2001" = 0.0 AND "2009" > 0.0 AND "1999" < 0.0;

Question: Which country has more than 0 in 2012 and 2009, 0 in 2008 and more than 0 in 2004?
SQL: SELECT "Country" FROM "2-15443723-1" WHERE "2012" > 0.0 AND "2009" > 0.0 AND "2008" = 0.0 AND "2004" > 0.0;