Вот эти значения мне надо присвоить переменной
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<tr><td>разница дней равна</td><td>если год ≥ и ≤</td></tr>
<tr><td>1</td><td>300-499 г. </td></tr>
<tr><td>2</td><td>500-599 г.</td></tr>
<tr><td>3</td><td>600-699 г.</td></tr>
<tr><td>4</td><td>700-899 г.</td></tr>
<tr><td>5</td><td>900-999 г.</td></tr>
<tr><td>6</td><td>1000-1099 г.</td></tr>
<tr><td>7</td><td>1100-1299 г.</td></tr>
<tr><td>8</td><td>1300-1399 г.</td></tr>
<tr><td>9</td><td>1400-1499 г.</td></tr>
<tr><td>10</td><td>1500-1699 г.</td></tr>
<tr><td>11</td><td>1700-1799 г.</td></tr>
<tr><td>12</td><td>1800-1899 г.</td></tr>
<tr><td>13</td><td>1900-2099 г.</td></tr>
<tr><td>14</td><td>2100-2199 г.</td></tr>
<tr><td>15</td><td>2200-2299 г.</td></tr>
<tr><td>16</td><td>2300-2499 г.</td></tr>
<tr><td>17</td><td>2500-2599 г.</td></tr>
<tr><td>18</td><td>2600-2699 г.</td></tr>
<tr><td>19</td><td>2700-2899 г.</td></tr>
<tr><td>20</td><td>2900-2999 г.</td></tr>
<tr><td>21</td><td>3000-3099 г.</td></tr>
<tr><td>22</td><td>3100-3299 г.</td></tr>
<tr><td>23</td><td>3300-3399 г.</td></tr>
<tr><td>24</td><td>3400-3499 г.</td></tr>
<tr><td>25</td><td>3500-3699 г.</td></tr>
<tr><td>26</td><td>3700-3799 г.</td></tr>
<tr><td>27</td><td>3800-3899 г.</td></tr>
<tr><td>28</td><td>3900-4099 г.</td></tr>
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