Popularity in Norway
Numbers
| Thea (feminine) | |||
| Year | Rank | Times Used | |
| 2023 | #36 | 148 | |
| 2022 | #35 | 145 | |
| 2021 | #24 | 179 | |
| 2020 | #21 | 200 | |
| 2019 | #24 | 190 | |
| 2018 | #21 | 199 | |
| 2017 | #10 | 244 | |
| 2016 | #11 | 257 | |
| 2015 | #10 | 274 | |
| 2014 | #7 | 312 | |
| 2013 | #10 | 303 | |
| 2012 | #9 | 313 | |
| 2011 | #4 | 367 | |
| 2010 | #8 | 375 | |
| 2009 | #4 | 425 | |
| 2008 | #5 | 406 | |
| 2007 | #1 | 498 | |
| 2006 | #2 | 492 | |
| 2005 | #2 | 497 | |
| 2004 | #5 | 447 | |
| 2003 | #3 | 500 | |
| 2002 | #2 | 492 | |
| 2001 | #6 | 410 | |
| 2000 | #4 | 460 | |
| 1999 | #6 | 423 | |
| 1998 | #10 | 368 | |
| 1997 | #10 | 348 | |
| 1996 | #15 | 324 | |
| 1995 | #23 | 265 | |
| 1994 | #23 | 273 | |
| 1993 | #23 | 267 | |
| 1992 | #30 | 229 | |
| 1991 | #35 | 207 | |
| 1990 | #44 | 191 | |
| 1989 | #62 | 137 | |
| 1988 | #79 | 100 | |
| 1987 | #94 | 83 | |
| 1986 | - | - | |
| 1985 | - | - | |
| 1984 | - | - | |
| 1983 | - | - | |
| 1982 | - | - | |
| 1981 | - | - | |
| 1980 | - | - | |
| 1979 | - | - | |
| 1978 | - | - | |
| 1977 | - | - | |
| 1976 | - | - | |
| 1975 | - | - | |
| 1974 | - | - | |
| 1973 | - | - | |
| 1972 | - | - | |
| 1971 | - | - | |
| 1970 | - | - | |
| 1969 | - | - | |
| 1968 | - | - | |
| 1967 | - | - | |
| 1966 | - | - | |
| 1965 | - | - | |
| 1964 | - | - | |
| 1963 | - | - | |
| 1962 | - | - | |
| 1961 | - | - | |
| 1960 | - | - | |
| 1959 | - | - | |
| 1958 | - | - | |
| 1957 | - | - | |
| 1956 | - | - | |
| 1955 | - | - | |
| 1954 | - | - | |
| 1953 | - | - | |
| 1952 | - | - | |
| 1951 | - | - | |
| 1950 | - | - | |
| 1949 | - | - | |
| 1948 | - | - | |
| 1947 | - | - | |
| 1946 | - | - | |
| 1945 | - | - | |
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