| 2009 | 2010 | 2011 | 2012 | 2013 | 2014 |
---|---|---|---|---|---|---|
Market concentration: by USD value | ||||||
 Number of importers each bringing in at least 0.1% of total market | 32 | 30 | 28 | 22 | 25 | 18 |
 Number of importers collectively responsible for over 80% of total imports | 2 | 4 | 7 | 3 | 3 | 2 |
Market concentration: percent of total units | ||||||
 Number of importers each bringing in at least 0.1% of total market | 23 | 25 | 29 | 29 | 26 | 24 |
 Number of importers collectively responsible for over 80% of total imports | 1 | 3 | 6 | 2 | 7 | 4 |
Market concentration: percent of total standard units | ||||||
 Number of importers each bringing in at least 0.1% of total market | 27 | 29 | 26 | 26 | 21 | 20 |
 Number of importers collectively responsible for over 80% of total imports | 3 | 3 | 3 | 3 | 3 | 2 |