| http://www.w3.org/ns/prov#value | - Last year we invested $2.2 billion overall in our capital, and we continue to believe that about 16% to 17% of revenue is a good place to be in terms of guidance going forward with an overlay for PTC, so that???s 16% to 17% is our core capital with an overlay for that -- to completing the PTC investment that required to do.
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