Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Incumbent | Reason for Vacancy | Appointed Successor | Date of Appointment | Elected Successor | Date of Election |
| --- | --- | --- | --- | --- | --- |
| L. B. Lindsay | Disqualified, never took office | Henry E. Prickett | November 19, 1867 | Thomas B. Hart | January 1868 |
| John Hailey | Never took office | Charles Himrod | July 10, 1871 | George H. Twitchell | July 8, 1872 |
| Sol Hasbrouck | Resigned November 5, 1885 | James W. Huston | December 28, 1885 | Peter J. Pefley | July 1887 |
| Harry Fritchman | Resigned May 25, 1912 | Arthur Hodges | May 25, 1912 | Arthur Hodges | April 1, 1913 |
| J. W. Robinson | Recalled June 1, 1916 | S. H. Hays | June 6, 1916 | S. H. Hays | April 1917 |
| Herbert F. Lemp | Died May 6, 1927 | Walter F. Hansen | May 6, 1927 | James P. Pope | April 1929 |
| James P. Pope | Resigned February 13, 1933 | Ross Cady | February 13, 1933 | J. J. McCue | April 1933 |
| Byron E. Hyatt | Died November 11, 1936 | J. L. Edlefsen | November 11, 1936 | J. L. Edlefsen | April 1937 |
| H. W. Whillock | Resigned May 11, 1942 | Austin Walker | May 11, 1942 | Austin Walker | April 1943 |
| Austin Walker\nSam S. Griffin | Died October 31, 1945\nResigned February 25, 1946 | Sam S. Griffin\nH. W. Whillock | October 31, 1945\nFebruary 25, 1946 | Potter P. Howard | April 1947 |
| Dirk Kempthorne | Resigned January 5, 1993 | H. Brent Coles | January 5, 1993 | H. Brent Coles | November 1993 |
| H. Brent Coles | Resigned February 15, 2003 | Carolyn Terteling-Payne | February 18, 2003 | David H. Bieter | November 2003 |
Question:
what number of years did john hailey serve?
Answer:
0