Table:
text: United States presidential election in New Jersey, 2008
By county
By county
County Obama__1 Obama__2 McCain__3 McCain__4 Others__5 Others__6
Ocean 40.1% 110189 58.4% 16067 1.5% 4111
Passaic 60.3% 113257 38.7% 71850 1.0% 1904
Salem 50.9% 16044 47.0% 14816 2.1% 672
Somerset 52.4% 79321 46.3% 70085 1.3% 2024
Sussex 38.8% 28840 59.4% 44184 1.9% 1393
Union 63.6% 141417 35.4% 78768 1.0% 2241

Question: What percentage of voters voted for McCain in the county where 2.1% of voters in the 2008 United States presidential election in New Jersey voted for a third party?