Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Season | League | Gold | Silver | Bronze | Winning manager |
| --- | --- | --- | --- | --- | --- |
| 1937–38 | League of Norway | Fredrikstad* | Lyn | — | — |
| 1938–39 | League of Norway | Fredrikstad | Skeid | — | — |
| 1947–48 | League of Norway | Freidig | Sparta | — | — |
| 1948–49 | Main League | Fredrikstad | Vålerenga | — |  |
| 1949–50 | Main League | Fram Larvik | Fredrikstad | — |  |
| 1950–51 | Main League | Fredrikstad | Odd | — |  |
| 1951–52 | Main League | Fredrikstad | Brann | — |  |
| 1952–53 | Main League | Larvik Turn | Skeid | — |  |
| 1953–54 | Main League | Fredrikstad | Skeid | — |  |
| 1954–55 | Main League | Larvik Turn | Fredrikstad | — |  |
| 1955–56 | Main League | Larvik Turn | Fredrikstad | — |  |
| 1956–57 | Main League | Fredrikstad* | Odd | — |  |
| 1957–58 | Main League | Viking | Skeid | — | Georg Monsen\nWilliam Danielsen\nJens Opsahl |
| 1958–59 | Main League | Lillestrøm | Fredrikstad | — | Karl Gudmundson\nRolf Brubak |
| 1959–60 | Main League | Fredrikstad* | Lillestrøm | Eik-Tønsberg |  |
| 1960–61 | Main League | Fredrikstad | Eik-Tønsberg | Vålerenga |  |
| 1961–62 | Main League | Brann | Steinkjer | Fredrikstad | Oddvar Hansen |
| 1963 | First Division | Brann | Lyn | Skeid | Oddvar Hansen |
| 1964 | First Division | Lyn | Fredrikstad | Sarpsborg | John Sveinsson |
| 1965 | First Division | Vålerenga | Lyn | Sarpsborg | Anton Ploderer |
| 1966 | First Division | Skeid | Fredrikstad | Lyn |  |
| 1967 | First Division | Rosenborg | Skeid | Lyn | Knut Næss |
| 1968 | First Division | Lyn* | Rosenborg | Viking | Knut Osnes |
| 1969 | First Division | Rosenborg | Fredrikstad | Strømsgodset | George Curtis |
| 1970 | First Division | Strømsgodset* | Rosenborg | Ham-Kam | Einar Larsen |
| 1971 | First Division | Rosenborg* | Lyn | Viking | Nils Arne Eggen |
| 1972 | First Division | Viking | Fredrikstad | Strømsgodset | Kjell Schou-Andreassen |
| 1973 | First Division | Viking | Rosenborg | Start | Sverre Andersen |
| 1974 | First Division | Viking | Molde | Vålerenga | Stuart Williams |
| 1975 | First Division | Viking | Brann | Start | Olav Nilsen |
| 1976 | First Division | Lillestrøm | Mjøndalen | Brann | Joar Hoff |
| 1977 | First Division | Lillestrøm* | Bodø/Glimt | Molde | Joe Hooley |
| 1978 | First Division | Start | Lillestrøm | Viking | Karsten Johannessen |
| 1979 | First Division | Viking* | Moss | Start | Tony Knapp |
| 1980 | First Division | Start | Bryne | Lillestrøm | Karsten Johannessen |
| 1981 | First Division | Vålerenga | Viking | Rosenborg | Leif Eriksen |
| 1982 | First Division | Viking | Bryne | Lillestrøm | Kjell Schou-Andreassen |
| 1983 | First Division | Vålerenga | Lillestrøm | Start | Gunder Bengtsson |
| 1984 | First Division | Vålerenga | Viking | Start | Gunder Bengtsson\nPer Anders Sjøvold |
| 1985 | First Division | Rosenborg | Lillestrøm | Vålerenga | Arne Dokken\nBjørn Hansen |
| 1986 | First Division | Lillestrøm | Mjøndalen | Kongsvinger | Tom Lund |
| 1987 | First Division | Moss | Molde | Kongsvinger | Nils Arne Eggen |
| 1988 | First Division | Rosenborg* | Lillestrøm | Molde | Nils Arne Eggen |
| 1989 | First Division | Lillestrøm | Rosenborg | Tromsø | David Hay |
| 1990 | First Division | Rosenborg | Tromsø | Molde | Nils Arne Eggen |
| 1991 | Tippeligaen | Viking | Rosenborg | Start | Benny Lennartsson |
| 1992 | Tippeligaen | Rosenborg* | Kongsvinger | Start | Nils Arne Eggen |
| 1993 | Tippeligaen | Rosenborg | Bodø/Glimt | Lillestrøm | Nils Arne Eggen |
| 1994 | Tippeligaen | Rosenborg | Lillestrøm | Viking | Nils Arne Eggen |
| 1995 | Tippeligaen | Rosenborg* | Molde | Bodø/Glimt | Nils Arne Eggen |
| 1996 | Tippeligaen | Rosenborg | Lillestrøm | Viking | Nils Arne Eggen |
| 1997 | Tippeligaen | Rosenborg | Brann | Strømsgodset | Nils Arne Eggen |
| 1998 | Tippeligaen | Rosenborg | Molde | Stabæk | Trond Sollied |
| 1999 | Tippeligaen | Rosenborg* | Molde | Brann | Nils Arne Eggen |
| 2000 | Tippeligaen | Rosenborg | Brann | Viking | Nils Arne Eggen |
| 2001 | Tippeligaen | Rosenborg | Lillestrøm | Viking | Nils Arne Eggen |
| 2002 | Tippeligaen | Rosenborg | Molde | Lyn | Nils Arne Eggen |
| 2003 | Tippeligaen | Rosenborg* | Bodø/Glimt | Stabæk | Åge Hareide |
| 2004 | Tippeligaen | Rosenborg | Vålerenga | Brann | Ola By Rise |
| 2005 | Tippeligaen | Vålerenga | Start | Lyn | Kjetil Rekdal |
| 2006 | Tippeligaen | Rosenborg | Brann | Vålerenga | Knut Tørum\nPer-Mathias Høgmo |
| 2007 | Tippeligaen | Brann | Stabæk | Viking | Mons Ivar Mjelde |
| 2008 | Tippeligaen | Stabæk | Fredrikstad | Tromsø | Jan Jönsson |
| 2009 | Tippeligaen | Rosenborg | Molde | Stabæk | Erik Hamrén |
| 2010 | Tippeligaen | Rosenborg | Vålerenga | Tromsø | Nils Arne Eggen\nErik Hamrén |
| 2011 | Tippeligaen | Molde | Tromsø | Rosenborg | Ole Gunnar Solskjær |
| 2012 | Tippeligaen | Molde | Strømsgodset | Rosenborg | Ole Gunnar Solskjær |
| 2013 | Tippeligaen | Strømsgodset | Rosenborg | Haugesund | Ronny Deila |
Question:
how many consecutive years did rosenborg win gold?
Answer:
13