Well one possible explanation for the odd numbers is that Kirby may have been more successful in it's first month than anybody expected (229,500). All initial shipments of Kirby may have been sold out in December. A second shipment may not have come till later in the month of January accounting for the low sales that month (30,000). Now in February supply has caught up to demand and Kirby looks like it's selling relatively well again (59,610). Just my theory on the fluctuating numbers.
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Well one possible explanation for the odd numbers is that Kirby may have been more successful in it's first month than anybody expected (229,500). All initial shipments of Kirby may have been sold out in December. A second shipment may not have come till later in the month of January accounting for the low sales that month (30,000). Now in February supply has caught up to demand and Kirby looks like it's selling relatively well again (59,610). Just my theory on the fluctuating numbers.