Number of ships	JAN.	FEB.	MARCH	APRIL	MAY	JUNE	JULY	AUG.	SEP.	OCT.	NOV.	DEC.	TOTAL	Sub-total
2006	170	166	210	180	188	184	70	0	127	185	171	178	1,829	1,098
2007	197	181	236	187	189	169	182	176	161	182	158	169	2,187	1,159
2008	153	188	186	168	151	175	171	169	183	163	161	187	2,055	1,021
2009	187	193	219	200	211	190	202	210	200	190	197	196	2,395	1,200
2010	174	170	220	193	223	196							1,176	1,176
Variation %	-6.95	-11.92	0.46	-3.50	5.69	3.16								-2.00