title: Mysql - Counting rows in date interval
body: <p>I have the following table</p>
  
  <pre><code>customerID | orderID | orderDate
  ----------------------------------
  1          |  67     | 2015-12-15
  1          |  66     | 2015-10-20
  1          |  65     | 2015-1-7
  2          |  64     | 2014-9-6
  2          |  63     | 2014-7-8
  3          |  62     | 2015-1-15
  </code></pre>
  
  <p>I need to identify all the <code>customerID</code>s that have at least 3 distinct <code>orderID</code>s within a 12 month period in 2014 and 2015</p>