CREATE TABLE table_15909409_2 (country VARCHAR2, per_capita_withdrawal__m_3__p_yr_ VARCHAR2)

How many countries had a per capita withdrawal (m 3 /p/yr) of 372?
SELECT COUNT(country) FROM table_15909409_2 WHERE per_capita_withdrawal__m_3__p_yr_ = 372
SELECT COUNT("country") FROM "table_15909409_2" WHERE "per_capita_withdrawal__m_3__p_yr_" = 372