public IEnumerable <BarChartViewModel> GetBarChartData(int year)
        {
            var stats = this.Statistics.Find(s => s.Year == year).ToList();

            ICollection <BarChartViewModel> models = new List <BarChartViewModel>();

            foreach (var stat in stats)
            {
                BarChartViewModel model = new BarChartViewModel
                {
                    HitsCount       = stat.HitsCount,
                    SubscribesCount = stat.SubscribesCount,
                    Month           = LanguageTranslator.TranslateNumBgMonth(stat.Month)
                };

                models.Add(model);
            }

            return(models);
        }