If I have an array with 11 or more items, and I write this piece of code:

var years = [
"001",
"002",
...
"011"
];

  <select ng-model="model" ng-options="key as year for (key, year) in years"></select>

Then the order in the options is this:

[
001,
002,
011,
003
...
]

relevant jsfiddle: http://jsfiddle.net/97h62/44/