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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1938 | 1 |
| 1940 | 1 |
| 1941 | 1 |
| 1947 | 1 |
| 1948 | 1 |
| 1950 | 4 |
| 1951 | 1 |
| 1952 | 1 |
| 1954 | 1 |
| 1957 | 2 |
| 1958 | 1 |
| 1960 | 1 |
| 1962 | 2 |
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 3 |
| 1967 | 3 |
| 1968 | 2 |
| 1969 | 1 |
| 1970 | 2 |
| 1971 | 3 |
| 1972 | 6 |
| 1973 | 1 |
| 1974 | 2 |
| 1975 | 4 |
| 1976 | 2 |
| 1977 | 5 |
| 1978 | 3 |
| 1979 | 4 |
| 1980 | 4 |
| 1981 | 4 |
| 1982 | 9 |
| 1983 | 11 |
| 1984 | 6 |
| 1985 | 9 |
| 1986 | 9 |
| 1987 | 9 |
| 1988 | 23 |
| 1989 | 14 |
| 1990 | 28 |
| 1991 | 30 |
| 1992 | 46 |
| 1993 | 40 |
| 1994 | 48 |
| 1995 | 54 |
| 1996 | 47 |
| 1997 | 70 |
| 1998 | 65 |
| 1999 | 83 |
| 2000 | 98 |
| 2001 | 105 |
| 2002 | 92 |
| 2003 | 115 |
| 2004 | 128 |
| 2005 | 120 |
| 2006 | 171 |
| 2007 | 167 |
| 2008 | 199 |
| 2009 | 225 |
| 2010 | 259 |
| 2011 | 272 |
| 2012 | 345 |
| 2013 | 368 |
| 2014 | 521 |
| 2015 | 677 |
| 2016 | 752 |
| 2017 | 870 |
| 2018 | 886 |
| 2019 | 958 |
| 2020 | 1058 |
| 2021 | 1194 |
| 2022 | 1142 |
| 2023 | 1043 |
| 2024 | 1079 |
| 2025 | 977 |
| 2027 | 1 |