How do I get the data consumption of each individual applications in windows.

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C#

I want to get the how much data is consumed by each application in some duration of time.
What I want, suppose a scenario
time is now 10:00 AM
First time when i captured data.

1. chrome - 1,200,000 Bytes
2. skype - 100,045 Bytes
3. Outlook - 450,612
.
.
.

Suppose After 10 min(10:10 AM)
1. chrome - 2,860,000 Bytes
2. skype - 196,025 Bytes
3. Outlook - 482,214
.
.
.

What I have tried:

namespace ConsoleApplication2
{
    class Program
    {
        static void Main(string[] args)
        {
            while (true)
            {
                var bytesSentPerformanceCounter = new PerformanceCounter();
                bytesSentPerformanceCounter.CategoryName = ".NET CLR Networking";
                bytesSentPerformanceCounter.CounterName = "Bytes Sent";
                bytesSentPerformanceCounter.InstanceName = GetInstanceName();
                bytesSentPerformanceCounter.ReadOnly = true;

                var bytesReceivedPerformanceCounter = new PerformanceCounter();
                bytesReceivedPerformanceCounter.CategoryName = ".NET CLR Networking";
                bytesReceivedPerformanceCounter.CounterName = "Bytes Received";
                bytesReceivedPerformanceCounter.InstanceName = GetInstanceName();
                bytesReceivedPerformanceCounter.ReadOnly = true;

                Console.WriteLine("Bytes sent: {0}", bytesSentPerformanceCounter.RawValue);
                Console.WriteLine("Bytes received: {0}", bytesReceivedPerformanceCounter.RawValue);
                Thread.Sleep(1000);
            }
        }

        private static string GetInstanceName()
        {
            string returnvalue = "not found";
          //Checks bandwidth usage for CUPC.exe..Change it with your application Name
            string applicationName = "CUPC"; 
                PerformanceCounterCategory[] Array = PerformanceCounterCategory.GetCategories();
            for (int i = 0; i < Array.Length; i++)
            {
                if (Array[i].CategoryName.Contains(".NET CLR Networking"))
                    foreach (var item in Array[i].GetInstanceNames())
                    {
                        if (item.ToLower().Contains(applicationName.ToString().ToLower()))
                            returnvalue = item;

                    }

            }
            return returnvalue;
        }
    }
}

I don't find any instance on any application. Not in this as well not in category type ".NET CLR Networking 4.0.0.0"