4.3.2. Dumb and pushed vessels
	1995	1999	2000	2001	2002	2003
Total number	292	291	167	158	224	216
by class of inland waterways
class I to IV	292	291	167	158	224	216
by year of construction
up to   1949	11	1	1	1	1	1
1950  -  1969	23	54	47	41	58	55
1970  -  1979	61	52	34	29	45	44
1980  -  1989	184	166	71	67	83	81
1990 and over	13	18	14	20	37	35
Registered tonnes - total (thous. tonnes)	231,94	176,73	87,47	97,91	130,93	125,77
by class of inland waterways
class I to IV	231,94	176,73	87,47	97,91	130,93	125,77
by year of construction
up to   1949	6,91	0,08	0,03	0,03	0,03	0,03
1950  -  1969	15,96	13,60	15,67	14,72	17,22	15,41
1970  -  1979	71,20	30,66	11,94	12,65	21,44	20,87
1980  -  1989	130,51	122,45	53,17	51,21	58,24	57,25
1990 and over	7,37	9,93	6,66	19,30	34,00	32,21
						Source : SPS