Table:
text: Bishop of Iceland
List
List
_ Name_ Birth_and_death Office_started Office_ended_
1 Geir Vídalín 27 October 1761 , – , 20 September 1823 1801 1823
2 Steingrímur Jónsson  1824 1845
3 Helgi Thordersen 8 April 1794 , – , 4 December 1867 1846 1866
4 `Pétur Pétursson 3 October 1808 , – , 15 May 1891 1866 1889
5 Hallgrímur Sveinsson 5 April 1841 , – , 16 December 1909 1889 1908
6 Þórhallur Bjarnarson 2 December 1855 , – , 15 December 1916 1908 1916
7 Jón Helgason 1866 , – , 1942 1917 1939
8 Sigurgeir Sigurðsson 3 August 1890 , - , 13 October 1953 1939 1953

text: Bishop of Iceland
List
List
_ Name_ Birth_and_death Office_started Office_ended_
9 Ásmundur Guðmundsson 6 October 1888 , Reykholt , – , 29 May 1969 , Reykjavík 1954 1989
10 Sigurbjörn Einarsson 30 June 1911 , Vestur-Skaftafellssýsla , – , 28 August 2008 , Reykjavík 1959 1981
11 Pétur Sigurgeirsson , (son of Sigurgeir Sigurðsson, 8th Bishop of Iceland) 2 June 1919 , – , 3 June 2010 1981 1989
12 Ólafur Skúlason 29 December 1929 , – , 9 June 2008 1989 1997
13 Karl Sigurbjörnsson , (son of Sigurbjörn Einarsson, 10th Bishop of Iceland) 5 February 1947 , Reykjavík 1998 2012
14 Agnes Sigurðardóttir 19 October 1954 , Ísafjörður 24 June 2012 Incumbent

Question: How many people have served as Bishop of Iceland since 1801?

Question: Which of Iceland's Lutheran bishops has served the longest term to date?