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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1939 | 1 |
| 1948 | 2 |
| 1949 | 1 |
| 1951 | 3 |
| 1952 | 5 |
| 1953 | 5 |
| 1954 | 5 |
| 1955 | 7 |
| 1956 | 7 |
| 1957 | 5 |
| 1958 | 8 |
| 1959 | 7 |
| 1960 | 11 |
| 1961 | 23 |
| 1962 | 40 |
| 1963 | 45 |
| 1964 | 50 |
| 1965 | 57 |
| 1966 | 60 |
| 1967 | 83 |
| 1968 | 94 |
| 1969 | 89 |
| 1970 | 85 |
| 1971 | 86 |
| 1972 | 100 |
| 1973 | 84 |
| 1974 | 85 |
| 1975 | 108 |
| 1976 | 83 |
| 1977 | 124 |
| 1978 | 131 |
| 1979 | 123 |
| 1980 | 127 |
| 1981 | 149 |
| 1982 | 196 |
| 1983 | 247 |
| 1984 | 240 |
| 1985 | 243 |
| 1986 | 301 |
| 1987 | 326 |
| 1988 | 372 |
| 1989 | 396 |
| 1990 | 438 |
| 1991 | 508 |
| 1992 | 521 |
| 1993 | 476 |
| 1994 | 476 |
| 1995 | 547 |
| 1996 | 558 |
| 1997 | 625 |
| 1998 | 677 |
| 1999 | 624 |
| 2000 | 700 |
| 2001 | 687 |
| 2002 | 683 |
| 2003 | 739 |
| 2004 | 747 |
| 2005 | 759 |
| 2006 | 794 |
| 2007 | 849 |
| 2008 | 841 |
| 2009 | 934 |
| 2010 | 919 |
| 2011 | 1081 |
| 2012 | 1114 |
| 2013 | 1139 |
| 2014 | 1180 |
| 2015 | 1163 |
| 2016 | 1213 |
| 2017 | 1330 |
| 2018 | 1366 |
| 2019 | 1386 |
| 2020 | 1523 |
| 2021 | 1635 |
| 2022 | 1708 |
| 2023 | 1533 |
| 2024 | 1543 |
| 2025 | 1700 |
| 2026 | 638 |