Googleアナリティクス Reporting API を使用したコーディング

public void Hoge()
{
    var credential = GetCredential();
    var service = new AnalyticsReportingService(new BaseClientService.Initializer()
    {
        HttpClientInitializer = credential,
        ApplicationName = "app",
    });

    // URL毎のページビュー数を取得する
    var request = new GetReportsRequest
    {
        ReportRequests = new[] {
            new ReportRequest
            {
                ViewId = "ビューのID",
                // 指標の指定
                Metrics = new[] { new Metric { Expression = "ga:pageviews" } },
                // ディメンションの指定
                Dimensions = new[] {
                    new Dimension { Name = "ga:pagePath" }
                },
                // 一週間分のデータを取得
                DateRanges = new[] {
                    new DateRange { StartDate = "7DaysAgo", EndDate = "today" }
                },
                // ページビュー数の降順でソート
                OrderBys = new [] {
                    new OrderBy { FieldName = "ga:pageviews", SortOrder = "DESCENDING" }
                }
            }
        }
    };
    var batchRequest = service.Reports.BatchGet(request);
    var response = batchRequest.Execute();

    foreach (var x in response.Reports.First().Data.Rows)
    {
        Console.WriteLine(string.Join(", ", x.Dimensions) + " " + string.Join(", ", x.Metrics.First().Values));
    }
}

private GoogleCredential GetCredential()
{
    // jsonファイルを元に認証
    using (var stream = new FileStream("JSONファイル名", FileMode.Open, FileAccess.Read))
    {
        return GoogleCredential.FromStream(stream).CreateScoped(
            AnalyticsReportingService.Scope.AnalyticsReadonly);
    }
}