Ending Date Mortality (% of pigs at start) Top 1/3 Top Ten Percent 31 Mar 2010 4.540 3.630 3.950 30 Jun 2010 5.050 4.300 4.700 30 Sep 2010 5.550 3.860 3.870 31 Dec 2010 5.280 4.110 3.500 31 Mar 2011 5.160 4.020 3.000 30 Jun 2011 4.670 3.930 3.240 30 Sep 2011 5.360 4.310 3.690 31 Dec 2011 5.300 5.170 6.100 31 Mar 2012 5.360 5.080 5.320 30 Jun 2012 4.890 3.480 3.580 30 Sep 2012 5.510 4.600 4.600 31 Dec 2012 5.130 5.260 5.900 31 Mar 2013 4.930 4.700 3.090 30 Jun 2013 5.420 5.060 7.330 30 Sep 2013 5.330 4.090 6.210 31 Dec 2013 5.330 4.090 6.210 31 Mar 2014 4.310 4.130 3.610 30 Jun 2014 4.340 3.180 2.870 30 Sep 2014 4.650 4.240 4.060 31 Dec 2014 4.700 4.120 3.800 31 Mar 2015 4.680 3.860 3.550 30 Jun 2015 4.670 4.100 3.880 30 Sep 2015 4.580 3.890 3.930 31 Dec 2015 4.360 4.080 3.460 31 Mar 2016 4.280 3.690 3.120 30 Jun 2016 4.590 3.930 2.570 30 Sep 2016 4.530 4.860 4.620 31 Dec 2016 4.870 4.400 3.130 31 Mar 2017 4.470 4.660 5.420 30 Jun 2017 4.720 4.110 3.670 30 Sep 2017 5.010 4.490 4.840 31 Dec 2017 4.220 4.120 5.640 31 Mar 2018 4.890 5.060 4.260 30 Jun 2018 5.340 5.280 5.160 30 Sep 2018 5.110 5.120 4.760 31 Dec 2018 5.890 5.840 5.230 31 Mar 2019 5.930 5.260 3.630 30 Jun 2019 5.620 5.590 5.090 30 Sep 2019 5.780 5.210 4.250 31 Dec 2019 6.160 7.140 5.240 31 Mar 2020 5.990 6.060 6.250 30 Jun 2020 6.160 5.690 4.780 30 Sep 2020 5.840 5.830 5.160 31 Dec 2020 6.060 5.930 4.900 31 Mar 2021 5.960 5.120 4.410 30 Jun 2021 6.190 5.360 5.390 30 Sep 2021 5.950 5.480 5.150 31 Dec 2021 6.820 5.930 6.910 31 Mar 2022 6.710 5.740 6.840 30 Jun 2022 6.940 6.200 5.200 30 Sep 2022 7.850 6.670 6.730 31 Dec 2022 7.660 7.730 8.000 31 Mar 2023 6.920 6.580 5.270