We are moving from COUNTER release 4 ("C4"") to release 5 ("C5") and we will gradually stop providing data in C4 format. The first step has already been taken.
SpringerLink
- December 2020 is the last month that we have C4 data for. From activity in January 2021 and onward no more C4 data will be generated.
- In March 2021 we made historic C4 data available in C5 reports.*
- April 2021 will be the last period that C4 data is available to download.
nature.com
- December 2020 is the last month that we have C4 data for. From activity in January 2021 and onward no more C4 data will be generated.
- In March 2021 we will made C4 data available in C5 reports.*
- April 2021 will be the last period that C4 data is available to download.
Scientific American
- December 2020 is the last month that we have C4 data for. From activity in January 2021 and onward no more C4 data will be generated.
- In March 2021 we made historic C4 data available in C5 reports.*
- April 2021 will be the last period that C4 data is available to download.
BMC
- December 2020 is the last month that we have C4 data for. From activity in January 2021 and onward no more C4 data will be generated.
- In March 2021 we made historic C4 data available in C5 reports.*
- April 2021 will be the last period that C4 data is available to download.
SpringerMaterials
- June 2021 will be the last month that we have C4 data for. From activity in July 2021 and onward no more C4 data will be generated.
- We will not make historic C4 data available in C5 reports.
- June 2021 will be the last period that C4 data is available to download.
AdisInsight
- June 2021 will be the last month that we have C4 data for. From activity in July 2021 and onward no more C4 data will be generated.
- We will not make historic C4 data available in C5 reports.
- June 2021 will be the last period that C4 data is available to download.
Nano
- June 2021 will be the last month that we have C4 data for. From activity in July 2021 and onward no more C4 data will be generated.
- We will not make historic C4 data available in C5 reports.
- June 2021 will be the last period that C4 data is available to download.
*Available Metric_Types
Since C5 introduced new Metric Types only some Metric Types will be available for our historic data.
Books: Only the custom metric type SN:Total_Chapter_Requests and the denial metric type No_License will be available.
Journals: Only the metric type Total_Item_Requests and the denial metric type No_License will be available.