10

....

OPTOPM

OPTOPM

OPT()

OPM()

E

S

B

I

E: Employee S: Self-employed B: Business owner I: Investor

OP

OP

T&M

T&M

72

2856, 3% 67930,6, 8%

1995199619971998199920002001200220032004

1995199619971998199920002001200220032004

1995199619971998199920002001200220032004

1995199619971998199920002001200220032004

1995199619971998199920002001200220032004