Very peculiar to see such low figures all around for favorability/unfavorability despite the ballot tests all carrying a believable number of undecideds.
Suggests either weird question wording, or an extremely partisan electorate, or both.
The favorabilites also had a "Neutral" and "Don't know enough to say" option FWIW. These were the numbers with favorable/unfavorable/neutral/don't know enough in respective order-
Hassan - 37/40/17/6
Sununu - 48/25/22/4
Bolduc - 11/16/23/50
Ayotte - 26/35/25/15
Great catch. If "neutral" can reasonably be assumed to mean "I know who this person is" then these numbers make much more sense.
Very odd that Ayotte has a 15% unknown number despite having been a statewide official for over a decade who received half of the vote in a high-turnout, high-spending statewide election not even five years ago, especially considering New Hampshire has not seen a huge amount of population change.