"1000",	        "1000"
"1 000",	    "1000"
"$1 000",		"1000"
"£1 000",		"#VALUE!"
"1.1",		    "1.1"
"1 000.1",		"1000.1"
"13 Monkeys",	"#VALUE!"
"1-Jan-2014",	"41640"
"12:34:56",     "0.524259259259259"
"2:46 AM",      "0.11527777777778"