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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 5 |
| 1949 | 2 |
| 1951 | 1 |
| 1952 | 1 |
| 1954 | 3 |
| 1955 | 2 |
| 1956 | 1 |
| 1957 | 4 |
| 1958 | 2 |
| 1959 | 4 |
| 1960 | 6 |
| 1961 | 5 |
| 1962 | 4 |
| 1963 | 8 |
| 1964 | 14 |
| 1965 | 15 |
| 1966 | 17 |
| 1967 | 10 |
| 1968 | 17 |
| 1969 | 19 |
| 1970 | 23 |
| 1971 | 38 |
| 1972 | 61 |
| 1973 | 40 |
| 1974 | 64 |
| 1975 | 49 |
| 1976 | 57 |
| 1977 | 53 |
| 1978 | 66 |
| 1979 | 69 |
| 1980 | 62 |
| 1981 | 60 |
| 1982 | 84 |
| 1983 | 62 |
| 1984 | 87 |
| 1985 | 78 |
| 1986 | 92 |
| 1987 | 103 |
| 1988 | 117 |
| 1989 | 111 |
| 1990 | 137 |
| 1991 | 143 |
| 1992 | 151 |
| 1993 | 203 |
| 1994 | 202 |
| 1995 | 237 |
| 1996 | 241 |
| 1997 | 233 |
| 1998 | 245 |
| 1999 | 220 |
| 2000 | 281 |
| 2001 | 265 |
| 2002 | 277 |
| 2003 | 286 |
| 2004 | 310 |
| 2005 | 322 |
| 2006 | 334 |
| 2007 | 370 |
| 2008 | 435 |
| 2009 | 462 |
| 2010 | 499 |
| 2011 | 526 |
| 2012 | 516 |
| 2013 | 552 |
| 2014 | 551 |
| 2015 | 572 |
| 2016 | 579 |
| 2017 | 552 |
| 2018 | 605 |
| 2019 | 612 |
| 2020 | 720 |
| 2021 | 765 |
| 2022 | 647 |
| 2023 | 674 |
| 2024 | 643 |
| 2025 | 434 |