Table 4.

The values of CI* (standard errors) of total expenses, reimbursement and OOP in overall from 2007 to 2011

Year	Overall
	Total expenses	Reimbursement	OOP
2007	0.0177 (0.0215)	0.0215 (0.0225)	0.0167 (0.0206)
2008	0.0269 (0.0191)	0.0258 (0.0192)	0.0273 (0.0674)
2009	0.0234 (0.0227)	0.0229 (0.0218)	0.0236 (0.0243)
2010	0.0207 (0.0216)	0.0240 (0.0271)	0.0273 (0.0227)
2011	0.0090 (0.0217)	0.0124 (0.0240)	0.0171 (0.0294)

Note: The values are not statistically significant by t-test (p > 0.05).