public MeanRating[] getRatingsCount() {
		MeanRating[] result = new MeanRating[itemNames.length];
		int[] ratingCounts = new int[itemNames.length];

		for (int i = 0; i < itemNames.length; i++) {
			for (BigDecimal[] row : ratings) {
				if (row[i] != null && row[i].intValue() != 0) {
					ratingCounts[i]++;
				}
			}

			result[i] = new MeanRating(itemNames[i], new BigDecimal(ratingCounts[i]));
		}

		return result;
	}