June 29th
$6,621,832 --> $6,622,070 (+$238)
72,581 --> 72,584 backers (+3)
June 30th
$6,622,070 --> $6,622,192 (+$122)
72,584 --> 72,586 backers (+2) ($61 per backers)
4th July
$6,622,192 --> $6,625,752 (+$3560)
72,586 --> 72,631 backers (+45) ($79.11 per backer)
5th July
$6,625,752 --> $6,626,936 (+$1184)
72,631 --> 72,641 backers (+10) ($118.4 per backer)
It's probably the Kickstarter Anniversary effect.
6th July
$6,626,936 --> $6,627,228 (+$292)
72,641 --> 72,645 backers (+4) ($73 per backer)
8th July
$6,627,228 --> $6,628,362 (+$1134)
72,641 --> 72,655 backers (+14) ($81 per backer)
11th July
$6,628,362 --> $6,628,769 (+$407)
72,655 backers --> 72,663 backers (+8) ($50.9 per backer)
15th July
$6,628,769 --> $6,629,426 (+$657)
72,663 backers --> 72,673 backers (+10) ($65.7 per backer)