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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1949 | 6 |
| 1950 | 10 |
| 1951 | 39 |
| 1952 | 31 |
| 1953 | 26 |
| 1954 | 18 |
| 1955 | 15 |
| 1956 | 10 |
| 1957 | 15 |
| 1958 | 7 |
| 1959 | 9 |
| 1960 | 15 |
| 1961 | 13 |
| 1962 | 10 |
| 1963 | 22 |
| 1964 | 30 |
| 1965 | 24 |
| 1966 | 15 |
| 1967 | 18 |
| 1968 | 25 |
| 1969 | 19 |
| 1970 | 24 |
| 1971 | 42 |
| 1972 | 30 |
| 1973 | 42 |
| 1974 | 27 |
| 1975 | 60 |
| 1976 | 51 |
| 1977 | 89 |
| 1978 | 77 |
| 1979 | 66 |
| 1980 | 63 |
| 1981 | 88 |
| 1982 | 91 |
| 1983 | 61 |
| 1984 | 65 |
| 1985 | 70 |
| 1986 | 75 |
| 1987 | 96 |
| 1988 | 120 |
| 1989 | 129 |
| 1990 | 161 |
| 1991 | 175 |
| 1992 | 210 |
| 1993 | 234 |
| 1994 | 207 |
| 1995 | 244 |
| 1996 | 216 |
| 1997 | 215 |
| 1998 | 212 |
| 1999 | 222 |
| 2000 | 238 |
| 2001 | 239 |
| 2002 | 267 |
| 2003 | 292 |
| 2004 | 302 |
| 2005 | 325 |
| 2006 | 293 |
| 2007 | 320 |
| 2008 | 344 |
| 2009 | 362 |
| 2010 | 399 |
| 2011 | 427 |
| 2012 | 449 |
| 2013 | 425 |
| 2014 | 408 |
| 2015 | 382 |
| 2016 | 333 |
| 2017 | 311 |
| 2018 | 348 |
| 2019 | 417 |
| 2020 | 463 |
| 2021 | 398 |
| 2022 | 281 |
| 2023 | 203 |
| 2024 | 62 |