Year Number of telephone main lines, thousandsa Outgoing phonecalls, million
1960 243 538
1961 255 558
1962 266 572
1963 277 596
1964 291 606
1965 304 553
1966 319 570
1967 337 597
1968 360 618
1969 383 645
1970 399 639
1971 424 696
1972 451 765
1973 471 720
1974 494 762
1975 508 765
1976 517 714
1977 523 802
1978 533 1,034
1979 561 872
1980 617 916
1981 637 952
1982 655 990
1983 676 1,022
1984 705 1,049
1985 739 1,042
1986 770 1,106
1987 813 1,185
1988 858 1,238
1989 916 1,242
1990 996 1,301
1991 1,129 1,456
1992 1,292 1,638
1993 1,498 1,839
1994 1,785 2,350
1995 2,157 2,922
1996 2,651 3,433
1997 3,095 3,789
1998 3,385 4,144
1999 3,609 4,250
2000 3,799 4,223
2001 3,746 3,921
2002 3,670 3,728
2003 3,607 3,537
2004 3,570 3,258
2005 3,453 2,999
2006 3,365 2,636
2007 3,282 2,200
2008 3,115 1,981
2009
3,110b
1,784b
2010 2,933 1,678
2011 2,909 1,599
2012 2,927 1,426
2013 2,919 1,344
2014 3,012 1,188
2015 3,082 1,061
2016 3,155 947
2017 3,171 857
2018 3,230 761
2019 3,183 662
2020 3,085 603
2021 2,956 529
2022 2,845 441

Footnotes

aFrom 1995 including the number of ISDN channels.
bFrom 2009, fixed broadband VoIP channels (via DSL or optic cable) are included here.
.