Table:
text: United States presidential election in New Mexico, 2012
General election
By county
County Obama Votes_2 Romney Votes_4 Others_ Votes_6 Total_
Bernalillo 55.55% 147183 39.35% 104242 5.10% 13517 264942
Catron 26.38% 560 70.37% 1494 3.25% 69 2123
Chaves 32.28% 6641 64.77% 13327 2.95% 607 20575
Cibola 60.18% 4907 36.37% 2966 3.45% 281 8154
Colfax 49.05% 2828 46.83% 2700 4.11% 237 5765
Curry 29.51% 4019 67.91% 9250 2.58% 352 13621
DeBaca 31.82% 287 64.97% 586 3.22% 29 902
Doña Ana 55.97% 36778 41.07% 26988 2.96% 1946 65712
Eddy 31.83% 6110 65.36% 12546 2.81% 539 19195
Grant 55.00% 7009 41.48% 5286 3.52% 449 12744
Guadalupe 69.68% 1478 26.12% 554 4.20% 89 2121
Harding 43.26% 260 54.41% 327 2.33% 14 601

text: United States presidential election in New Mexico, 2012
General election
By county
County Obama Votes_2 Romney Votes_4 Others_ Votes_6 Total_
Hidalgo 51.42% 995 46.46% 899 2.12% 41 1935
Lea 23.98% 4080 73.75% 12548 2.27% 387 17015
Lincoln 31.82% 2940 64.51% 5961 3.67% 339 9240
Los Alamos 48.72% 5191 45.02% 4796 6.26% 667 10654
Luna 47.77% 3583 48.93% 3670 3.29% 247 7500
McKinley 72.08% 15363 25.43% 5420 2.49% 530 21313
Mora 74.85% 1952 22.81% 595 2.34% 61 2608
Otero 34.15% 6811 62.23% 12412 3.62% 723 19946
Quay 37.32% 1384 59.39% 2202 3.29% 122 3708
Rio Arriba 74.74% 11389 22.13% 3373 3.13% 477 15239
Roosevelt 28.92% 1730 67.73% 4052 3.36% 201 5983
San Juan 34.11% 15688 62.57% 28779 3.32% 1527 45994
San Miguel 76.86% 8751 20.04% 2281 3.10% 353 11385

Question: What was the difference in the number of votes cast between Otero County and Harding County in the 2012 United States presidential election in New Mexico?