Chart A-2. Percentage-point difference between Laspeyres and geometric Young headline indexes, 12-month export inflation, 2013–22
Month Difference

January 2013

0.469

February 2013

0.478

March 2013

0.491

April 2013

0.487

May 2013

0.479

June 2013

0.468

July 2013

0.447

August 2013

0.463

September 2013

0.449

October 2013

0.437

November 2013

0.409

December 2013

0.404

January 2014

0.404

February 2014

0.392

March 2014

0.377

April 2014

0.366

May 2014

0.369

June 2014

0.392

July 2014

0.402

August 2014

0.379

September 2014

0.377

October 2014

0.378

November 2014

0.380

December 2014

0.401

January 2015

0.434

February 2015

0.428

March 2015

0.451

April 2015

0.483

May 2015

0.483

June 2015

0.487

July 2015

0.466

August 2015

0.461

September 2015

0.462

October 2015

0.457

November 2015

0.449

December 2015

0.443

January 2016

0.431

February 2016

0.438

March 2016

0.435

April 2016

0.413

May 2016

0.443

June 2016

0.438

July 2016

0.475

August 2016

0.498

September 2016

0.491

October 2016

0.524

November 2016

0.537

December 2016

0.536

January 2017

0.578

February 2017

0.578

March 2017

0.576

April 2017

0.611

May 2017

0.584

June 2017

0.564

July 2017

0.514

August 2017

0.491

September 2017

0.545

October 2017

0.538

November 2017

0.560

December 2017

0.562

January 2018

0.573

February 2018

0.583

March 2018

0.601

April 2018

0.616

May 2018

0.650

June 2018

0.650

July 2018

0.630

August 2018

0.614

September 2018

0.553

October 2018

0.503

November 2018

0.476

December 2018

0.434

January 2019

0.347

February 2019

0.344

March 2019

0.300

April 2019

0.240

May 2019

0.199

June 2019

0.183

July 2019

0.198

August 2019

0.206

September 2019

0.195

October 2019

0.218

November 2019

0.220

December 2019

0.237

January 2020

0.164

February 2020

0.124

March 2020

0.109

April 2020

0.109

May 2020

0.127

June 2020

0.149

July 2020

0.174

August 2020

0.230

September 2020

0.299

October 2020

0.322

November 2020

0.324

December 2020

0.367

January 2021

0.534

February 2021

0.698

March 2021

0.961

April 2021

1.137

May 2021

1.182

June 2021

1.173

July 2021

1.223

August 2021

1.094

September 2021

1.064

October 2021

0.988

November 2021

0.929

December 2021

0.867

January 2022

0.686

February 2022

0.465

March 2022

0.169

April 2022

0.055

May 2022

0.076

June 2022

0.027

July 2022

0.015

August 2022

0.000

September 2022

0.009

October 2022

0.159

November 2022

0.150

December 2022

0.095

Note: This chart shows the difference between a Laspeyres formula and a geometric Young formula in the calculation of a 12-month change of headline inflation for exports through the classification-group level.

Source: U.S. Bureau of Labor Statistics.