BEGIN {
	count = 0;
}
{
	if ( DATA[$0] == 0 ) {
		DATA_NAME[count] = $0;
		count++;
	}

	DATA[$0]++;
}
END {
	for ( i = 0; i < count; i++ ) {
		printf( "%s\t%d\n", DATA_NAME[i], DATA[DATA_NAME[i]] );
	}
}