also listed for convenience. As mentioned above, <span class="nowrap">y<sub>z</sub></span> switches from one value to another after <span class="nowrap">N<sub>-162</sub></span>, but <span class="nowrap">N<sub>-162</sub></span> is the first year when the epoch is switched to epoch C. So <span class="nowrap">y<sub>z</sub></span> is the same for epochs A and B, but changes to a different value for epoch C.</p>
<table>
<caption style="text-align:left;"><b>Table 4: <span class="nowrap">y<sub>z</sub></span> and <